I found the answer to be cells
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In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact of saliva.
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Homozygous is the same heterozygous is different. Such as TT and tt are homo and Tt is heterozygous.
Protista are unicellular organisms that do have a nucleus. They can reproduce both sexually and asexually. They live in moist environments.
<h3><u>Explanation:</u></h3>
Kingdom Protista consists of the organisms that are unicellular or pseudo multicellular and they are eukaryotic in nature.
The classes under Protista consists of Chrysophytes, Dinoflagellates, Slime moulds, Euglenoids and protozoans. These organisms are all unicellular. They are all the eukaryotic organisms. Euglenoids are photosynthetic where the protozoans are consumers and Slime moulds are saprophytic. They prefer to live in water or moist lands. These organisms can reproduce both asexually or sexually.
